68977269 has 12 divisors (see below), whose sum is σ = 99840000. Its totient is φ = 45889704.

The previous prime is 68977267. The next prime is 68977297. The reversal of 68977269 is 96277986.

It is not a de Polignac number, because 68977269 - 2¹ = 68977267 is a prime.

It is a super-2 number, since 2×68977269² = 9515727277396722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68977267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3189 + ... + 12170.

It is an arithmetic number, because the mean of its divisors is an integer number (8320000).

Almost surely, 2^68977269 is an apocalyptic number.

It is an amenable number.

68977269 is a deficient number, since it is larger than the sum of its proper divisors (30862731).

68977269 is a wasteful number, since it uses less digits than its factorization.

68977269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15864 (or 15861 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 68977269 is about 8305.2555047994. The cubic root of 68977269 is about 410.1115480741. Note that the first 3 decimals are identical.

The spelling of 68977269 in words is "sixty-eight million, nine hundred seventy-seven thousand, two hundred sixty-nine".